[jira] [Updated] (AMQ-4033) AMQ Broker - Uses custom RMIServerSocketFactory class which cannot be unloaded due socket reuse

["Claus Ibsen (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/AMQ-4033?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Claus Ibsen updated AMQ-4033:
-----------------------------

    Fix Version/s:     (was: 5.7.0)
                   NEEDS_REVIEW

> AMQ Broker - Uses custom RMIServerSocketFactory class which cannot be unloaded due socket reuse
> -----------------------------------------------------------------------------------------------
>
>                 Key: AMQ-4033
>                 URL: https://issues.apache.org/jira/browse/AMQ-4033
>             Project: ActiveMQ
>          Issue Type: Bug
>          Components: Broker, JMX
>    Affects Versions: 5.6.0
>            Reporter: Claus Ibsen
>            Priority: Minor
>             Fix For: NEEDS_REVIEW
>
>         Attachments: MMC.png
>
>
> When embedding ActiveMQ Broker in a container, such as Tomcat or others. And if you have JMX enabled on the broker, then a RMI registry is created to allow JMX/RMI over TCP.
> This uses a custom RMIServerSocketFactory that gets enlisted into the JDK RMI registry. But when you undeploy the AMQ broker, there is no API in the JDK to unregister your custom RMIServerSocketFactory class.
> And therefore the JDK (system class) has a strong reference to the custom RMIServerSocketFactory, which prevents the container classloader to fully unload all classes.
> Disabling JMX on the broker, allows to unload all the classes.



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